Accessory for a camera



FIG. 1 is a front, bottom, right perspective view of an accessory for a camera showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The camera in broken lines is shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an accessory for a camera, as shown and described. 